Carrier profile · USDOT 839743 · MC-373551 · Updated Jun 13, 2026

KOSTER GRINDING INC

3 power unitsCARROLL, IA50/100
CARRIER INACTIVEMC-373551 INACTIVE
Verified linksFMCSA SAFER

Identity & Federal

The official FMCSA identity — legal name, DBA, addresses, contact, officers, and registration — alongside the daily-captured federal-record activity feed, monitored daily by Vektor.

Location

Physical address
17995 IRIS AVE, CARROLL, IA, 51401
Mailing address
PO BOX 194, CARROLL, IA, 51401
Operation
Interstate

Contact

Phone
(712) 792-5424
Fax
(712) 792-5910
Email
—

Registration

Officer
Jeff Koster
USDOT / docket
839743 · MC-373551
First registered
Nov 16, 1999
Last MCS-150
Mar 27, 2008 · 691,334 mi (2003)
FMCSA safety rating
Not rated
D-U-N-S
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Fleet (self-reported · MCS-150)

3Power units
7Drivers
—CDL drivers
691,334Annual mileage

MCS-150 filing history· biennial-update cadence

Per-filing MCS-150 history (each biennial update + the fleet/mileage it reported) is being captured from the daily federal feed and will appear here as we capture the full history.

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.